Delta InfraSuite RDA037, Руководство пользователя

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InfraSuite R Series – Air Cooled Type 32
(4) If the U-trap cannot be installed correctly, please install a check valve on the drain pipes
to prevent air or condensed water in drain pipes from returning to the equipment.
(5) Do not install two U-traps because this will cause gas blockage.
(Figure 3-13: Drain Trap)
8”